Small Speckled Band / Sudoku Doppelganger

 made yesterday, to see if anyone would attempt to solve it as a Sudoku if I didn't post the link

https://pedros.works/paper-puzzle-player.html?W=4x4&L=(2)0(4)2(3)11(4)2&SIT=2RRRR12DDDD&G=speckled-bands

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